Zijl, Wouter. <br/><br/>
Natural groundwater flow / 
Wouter Zijl and Marek Nawalany. 
 - Boca Raton :  Lewis Publishers,  c1993. 
 - viii, 321 p. :  ill. 
<br/><br/><label>ISBN: </label>0873718682 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater flow.